# Boeing Toolbox Mobile Library vs Centrik

The clearest difference is update cadence: Centrik at monthly against Boeing Toolbox Mobile Library's every 4 months. Centrik also leads on review sentiment (17% vs 7%). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Boeing Toolbox Mobile Library ships an update every 4 months, Centrik monthly. The most recent releases landed on October 15, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Boeing Toolbox Mobile Library | Centrik |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.9 (11 ratings)](https://appshunter.io/ios/app/boeing-toolbox-mobile-library/id727651089/reviews)** | — |
| Number of ratings | **11** | — |
| Positive reviews | 6.5% of reviews | **16.7% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Monthly** |
| Monetization | Free | Free |
| Size | 72 MB | 90 MB |
| Requires iOS | **16** | 16.4 |
| Devices | iPad | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [The Boeing Company](https://appshunter.io/developer/493615170) | [TrustFlight Limited](https://appshunter.io/developer/1330978495) |

## What reviewers say

### Boeing Toolbox Mobile Library

[App page](https://appshunter.io/ios/app/boeing-toolbox-mobile-library/id727651089)

Access critical aircraft maintenance documents on your iPad. Retrieve tail-specific information, navigate with hyperlinks, and search specialized content offline. Ideal for efficient repair operations.

**Highlights:** Mobile access to maintenance documents, Aircraft tail-specific information retrieval, Offline document access, Hyperlink navigation, Specialized search functionality, Access to AMM, FIM, APC, SRM, WDM

**In-app purchases:** none


### Centrik

[App page](https://appshunter.io/ios/app/centrik/id858113364)

This app serves as an Electronic Flight Bag, enabling users to access and manage flight documents and forms offline. It synchronizes data when an internet connection is available, providing a seamless interface for flight operations.

**Highlights:** Offline document access, Offline form completion, Data synchronization, Seamless interface, Electronic Flight Bag functionality

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Boeing Toolbox Mobile Library free?

Boeing Toolbox Mobile Library is free to download, with no in-app purchases.

### Is Centrik free?

Centrik is free to download, with no in-app purchases.

### Do Boeing Toolbox Mobile Library or Centrik have ads?

Neither Boeing Toolbox Mobile Library nor Centrik shows ads.

### Which is updated more often, Boeing Toolbox Mobile Library or Centrik?

Boeing Toolbox Mobile Library ships an update every 4 months, and Centrik monthly. Most recently, Boeing Toolbox Mobile Library was updated on October 15, 2026 and Centrik on October 3, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*